William P & Gertrude Schweitzer

Private foundation · Grantmaker New York, NY EIN: 13-6160772

William P & Gertrude Schweitzer is a private foundation based in New York, NY. Its 2025 filing reports grants to charitable organizations, including arts and cultural institutions, wildlife and animal-welfare organizations, and conservation groups.

William P & Gertrude Schweitzer at a glance

In short: William P & Gertrude Schweitzer gave $160K across 11 grants in 2025 (avg $15K), mostly in New York. 55% of 2025 grantees were new. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$160,000
+6.7% vs 2024
Grants made (2025)
11
+83.3% vs 2024
Average grant
$14,545
-41.8% vs 2024
Median grant
$5,000
Total assets
$3,214,734
-13.8% vs 2024
New grantees (estimate)
55% first-time grantees (6 of 11, 2025; small sample)
Primary geography
New York (82% of itemized 2025 grant dollars)
Latest 990 filing
Form 990-PF, 2025 View filing

Data from IRS Form 990-PF, 2025; updated October 2026. New grantees are estimated by matching recipient names across years (methodology).

How to apply to William P & Gertrude Schweitzer

Accepts unsolicited proposals
No
How to Apply

The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds.

Contact

Mailing address: Co T Shiffman 122 E42Nd St Ste 2005, New York, NY 10168
Phone: (212) 986-8671

Application details from Grantable's research on the foundation's public materials; confirm on its website before applying.

Who William P & Gertrude Schweitzer funds

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2025

Museum of Natural History: $70KMuseum of Natural History$70KCarnegie Hall Society: $30KCarnegie Hall Society$30KMetropolitan Museum of Art: $30KMetropolitan Museum of Art$30KThe Raptor Trust: $10KThe Raptor Trust$10KDannys and Dons Rescue: $6KDannys and Dons Rescue$6KFriends of Whittemore: $5KFriends of Whittemore$5KHarleys Dream: $3KHarleys Dream$3KSt Huberts Animal Welfare Center: $2KSt Huberts Animal WelfareCenter$2KNJ Conservation Foundation: $2KNJ Conservation Foundation$2KCornell Lab or Orinthology: $1KCornell Lab or Orinthology$1K

The largest 2025 recipient was Museum of Natural History ($70K). Together the top 10 received $159K.

Grant Size Distribution

58 grants across all recorded years

52<$50K6$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 52 grants of 58 (90%).

Geographic Focus

Where this funder awards grants

In 2025, 82% of grant dollars went to recipients in New York, 12% to New Jersey, 4% to South Carolina, and 2% to Colorado.

Grant Distribution by State

8states

Share of 2025 grant dollars across all 11 itemized grants.

Cities

New YorkCamdenMadisonBerthoudFar HillsKanabNew YorBronxMorristownBuffaloLexingtonMillingtonOldwickFlorham ParkHackensackIthacaLompocNewarkPhillipsburgPort Washington

Is William P & Gertrude Schweitzer open to new grantees?

55%

first-time grantees, 2025

In 2025, 6 of 11 grantees (55%) were first-time recipients. With only 11 grantees, that is a small sample: one grantee more or less moves the share by about 9 points. First grants averaged $19K; repeat grants $9K. How we count

Medians: $6K first-time, $3K repeat.

  • 18% of 2025 grantees were also funded in 2024. Method
  • Giving held roughly steady from 2022 to 2025 (−11%). Method
  • In 2025 it paid out 97% of its IRS minimum distribution (the 5% rule). Foundations have until the end of the next year to meet it. Method

Estimate from itemized grant lists in IRS Form 990-PF filings (2020–2025). Recipient names are matched across years, so a renamed or misspelled grantee can look new; grants to individuals are left out. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$50K$100K$150K$200K11 grants2020 17 grants2021 14 grants2022 10 grants2023 6 grants2024 11 grants2025

From 2020 to 2025, annual grant giving ranged from $150K (2024) to $180K (2023). In 2025 it made 11 grants totaling $160K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Museum of Natural History New York, NYCharitable Grant$70,000
Carnegie Hall Society New York, NYCharitable Grant$30,000
Metropolitan Museum of Art New York, NYCharitable Grant$30,000
The Raptor Trust Madison, NJCharitable Grant$10,000
Dannys and Dons Rescue Camden, SCCharitable Grant$6,290
Friends of Whittemore Oldwick, NJCharitable Grant$5,000
Harleys Dream Berthoud, COCharitable Grant$3,000
St Huberts Animal Welfare Center Madison, NJCharitable Grant$2,210
NJ Conservation Foundation Far Hills, NJCharitable Grant$1,500
Cornell Lab or Orinthology Ithaca, NYCharitable Grant$1,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$3,214,734$283,135$182,317$160,00011$170,000$273,668$174,597
2024$3,729,425$140,002$162,284$150,0006$150,000$127,718$165,882
2023$3,096,862$138,029$193,450$180,00010$180,000$127,429$160,209
2022$3,515,476$218,108$192,050$180,00014$180,000$208,908$185,166
2021$3,736,761$121,103$192,950$180,00017$180,000$114,753$176,772
2020$3,538,352$183,227$172,834$160,00011—$173,243$172,064

Under IRS private-foundation payout rules, William P & Gertrude Schweitzer reported a distributable amount of $175K for 2025 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated September 2026.

Mission & Focus Areas

No mission statement for the foundation is provided. Its 2025 grants include support for arts and cultural organizations, animal rescue and welfare groups, and conservation organizations. The Metropolitan Museum of Art describes its mission as collecting, studying, conserving, and presenting significant works of art across times and cultures. The Raptor Trust says it rescues, rehabilitates, and releases injured and orphaned raptors and educates the public about wildlife and conservation. Harleys Dream says it works to raise awareness of puppy mills and to rescue and rehome senior dogs.

Grantmaking

In 2025, the foundation awarded 11 grants totaling $160,000. Grants ranged from $1,000 to $70,000, with a median grant of $5,000. The largest awards included $70,000 to the Museum of Natural History, $30,000 each to Carnegie Hall Society and the Metropolitan Museum of Art, and $10,000 to The Raptor Trust.

Leadership & Key People

Leadership team and compensation from IRS filings

The 2025 filing lists Peter W. Schweitzer as president and chairman and Robert Schweitzer as secretary.

William P & Gertrude Schweitzer is led by Peter W. Schweitzer, President & Chairman since 2024 (on filings since 2020); none of the 2 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Peter W. Schweitzer

    President & Chairman

    President & CEO → President & Chairman, 2024

    On filings since 2020

    No compensation reported

  • Robert W. Schweitzer

    Secretary

    On filings since 2020

    No compensation reported

Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.

Frequently asked questions about William P & Gertrude Schweitzer

How much does William P & Gertrude Schweitzer give each year?

William P & Gertrude Schweitzer gave $160K across 11 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $150K across 6 grants.

What is William P & Gertrude Schweitzer's typical grant size?

William P & Gertrude Schweitzer's median grant in 2025 was $5,000, and its average grant was $14,545, across 11 grants on its 2025 IRS Form 990-PF. Organizations receiving their first grant from William P & Gertrude Schweitzer that year got $19K on average.

Where does William P & Gertrude Schweitzer give grants?

William P & Gertrude Schweitzer gives mostly in New York: 82% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was New Jersey (12%). The most frequent recipient cities were New York, NY (3 grants) and Madison, NJ (2 grants).

Does William P & Gertrude Schweitzer give general operating support?

Not in 2025: none of the 11 grants with a stated purpose on William P & Gertrude Schweitzer's 2025 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Charitable Grant" (11 grants).

Who are William P & Gertrude Schweitzer's largest grantees?

William P & Gertrude Schweitzer's largest 2025 grantees include Museum of Natural History ($70,000), Carnegie Hall Society ($30,000) and Metropolitan Museum of Art ($30,000), according to its 2025 IRS Form 990-PF. Together they received 81% of its itemized 2025 grant dollars.

How large is William P & Gertrude Schweitzer?

William P & Gertrude Schweitzer reported $3.2M in total assets on its 2025 IRS Form 990-PF. It paid out $170K in qualifying distributions that year, against a required minimum of $175K (roughly 5% of its investment assets). Falling short in one year is not a violation: foundations have until the end of the next year to meet the minimum.

What does William P & Gertrude Schweitzer fund?

No mission statement for the foundation is provided. Its 2025 grants include support for arts and cultural organizations, animal rescue and welfare groups, and conservation organizations. See mission & focus areas ↑

How do I apply for a grant from William P & Gertrude Schweitzer?

The foundation makes contributions only to preselected charitable organizations and does not accept unsolicited requests for funds. Eligibility and process details are in the grantmaking section of this profile. See how to apply ↑

What is William P & Gertrude Schweitzer's EIN?

William P & Gertrude Schweitzer's EIN (Employer Identification Number) is 13-6160772. IRS Form 990 filing data is available on this page for 2020–2025.

Does William P & Gertrude Schweitzer accept unsolicited proposals?

No, according to Grantable's research on the foundation's published guidelines. See how to apply ↑

Data last updated October 2026. Sourced from IRS Form 990-PF filings. Research dossier generated September 2026.

Data update history

(7)

When this profile's IRS filing data changed on Grantable

  1. Updated Form 990-PF for fiscal year 2020 (received by the IRS November 15, 2021)
  2. Updated Form 990-PF for fiscal year 2021 (received by the IRS May 11, 2022)
  3. Updated Form 990-PF for fiscal year 2022 (received by the IRS May 9, 2023)
  4. Updated Form 990-PF for fiscal year 2023 (received by the IRS May 14, 2024)
  5. Updated Form 990-PF for fiscal year 2024 (received by the IRS April 24, 2025)
  6. Updated Form 990-PF for fiscal year 2025 (received by the IRS April 22, 2026)
  7. IRS filings on file for fiscal years 2020–2025

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Cite this profile

Grantable. (2026). William P & Gertrude Schweitzer funder profile. GrantGraph. Retrieved October 22, 2026, from https://grantable.co/funders/william-p-and-gertrude-schweitzer-morg_bf8500487a3e440e928111bcf8c5188d

BibTeX
@misc{grantable_136160772_2026,
  author       = {{Grantable}},
  title        = {{William P \& Gertrude Schweitzer funder profile}},
  howpublished = {GrantGraph},
  year         = {2026},
  url          = {https://grantable.co/funders/william-p-and-gertrude-schweitzer-morg_bf8500487a3e440e928111bcf8c5188d},
  note         = {Accessed 2026-10-22. Data licensed CC BY 4.0}
}

The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.

Figures come from William P & Gertrude Schweitzer's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.

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